SPC 1200Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1213 AM CDT Fri Oct 30 2020

Valid 301200Z - 311200Z


Only a few weak thunderstorms are possible over southern Florida

...South Florida...

Strong short-wave trough, currently located over the southern
Appalachians, will eject off the Atlantic Coast early in the day1
period. As this feature shifts east, trailing cold front will settle
into south FL then slow as it moves across the FL Straits. This
boundary will serve as the focus for potential convective
development through the period, especially during the afternoon when
boundary-layer heating will maximize buoyancy within a high-PW air
mass (1.5-2"). Forecast soundings exhibit substantial SBCAPE ahead
of the front with 2000-3000 J/kg expected within a weakly sheared
environment. For these reasons, isolated-scattered thunderstorms
should be noted across the south FL warm sector later today.

..Darrow/Jirak.. 10/30/2020

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